Home / 251,903.34-347,626.92-137,182.18

Finding the Fourth Proportional to 251,903.34, 347,626.92 and 137,182.18

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Solution

The fourth proportional to 251,903.34, 347,626.92 and 137,182.18 is: 189,311.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,903.34 : 347,626.92 = 137,182.18 : x
  2. Step 2: Convert to fraction form
    251,903.34/347,626.92 = 137,182.18/x
  3. Step 3: Cross multiply
    251,903.34x = 347,626.92 × 137,182.18
  4. Step 4: Simplify right side
    251,903.34x = 47,688,218,712.29
  5. Step 5: Solve for x
    x = 47,688,218,712.29/251,903.34
  6. Step 6: Final answer
    x = 189,311.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.